The following locals are affiliates of the Council:
CUPE 1404 – Longterm Care Composite Local
CUPE 3906 – McMaster University (academic workers)
CUPE 7800 – Hamilton Health Sciences
CUPE 932 – Hamilton Public Library
CUPE 1605 – Mohawk Hospital Services
CUPE 4153 – Hamilton Wentworth District School Board Caretaking and Maintenance